Date of Original Version

2004

Type

Technical Report

Rights Management

All Rights Reserved

Abstract or Description

Abstract: "In previous work we presented a foundational calculus for spatially distributed computing based on intuitionistic modal logic. Through the modalities [square] and [diamond] we were able to capture two key invariants: the mobility of portable code and the locality of fixed resources. This work investigates issues in distributed control flow through a similar propositions-as-types interpretation of classical modal logic. The resulting programming language is enhanced with the notion of a network-wide continuation, through which we can give computational interpretation of classical theorems (such as [square]A [is identical with] [symbol diamond symbol]A). Such continuations are also useful primitives for building higher-level constructs of distributed computing. The resulting system is elegant, logically faithful, and computationally reasonable."

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